1,3,6-Naphthalenetrisulfonic acid, 8-hydroxy- 1-Hydroxy-3,6,8-naphthalenetrisulfonic acid 1-Naphthol, 3,6,8-trisulfo- 1-Naphthol-3,6,8-trisulfonic acid 3316-02-7 8-Hydroxynaphthalene-1,3,6-trisulphonic acid EINECS 222-008-5 NSC 37044